[1] Beth Israel Deaconess Med Ctr, Dept Pathol, Boston, MA 02215 USA
[2] Univ Zurich Hosp, Dept Neurol, Zurich, Switzerland
[3] Russian Acad Med Sci, Inst Expt Med, Dept Gen Pathol & Pathol Physiol, St Petersburg, Russia
[4] Med Univ Graz, Inst Pathol, Dept Neuropathol, Graz, Austria
[5] State Neuropsychiat Hosp Wagner Jauregg, Dept Neuropathol, Linz, Austria